“We have something in the military called OPSEC, which is operational security, and people can piece tiny pieces of information together to get a picture they don’t need to have,” McGuire told CNN on Thursday. “We know too much as it is.”

“When people give away secrets and talk about these exploits like this, connections can be drawn together to put them and our security in harm’s way,” McGuire said.

The new book by former SEAL Matt Bissonnette, published under the pseudonym Mark Owen, is titled “No Easy Day.”